But wait a minute, Abramovic's visa ran out weeks ago and so far the government haven't renewed it

A powerful committee of MPs has warned that the government is putting national security at risk by allowing “kleptocrats and human rights abusers to use the City of London to launder their ill-gotten funds to circumvent sanctions”.

There's pressure (probably from the yanks as well) to get rid of the russian billionaires. Abramovic could be in trouble